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MatcherApplicationStrategyTest.java
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MatcherApplicationStrategyTest.java
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/*
* Copyright (c) 2007 Mockito contributors
* This program is made available under the terms of the MIT License.
*/
package org.mockito.internal.invocation;
import org.junit.Before;
import org.junit.Ignore;
import org.junit.Test;
import org.mockito.ArgumentMatcher;
import org.mockito.Mock;
import org.mockito.internal.matchers.Any;
import org.mockito.internal.matchers.Equals;
import org.mockito.internal.matchers.InstanceOf;
import org.mockito.invocation.Invocation;
import org.mockitousage.IMethods;
import org.mockitoutil.TestBase;
import java.util.ArrayList;
import java.util.List;
import static java.util.Arrays.asList;
import static org.assertj.core.api.Assertions.assertThat;
import static org.junit.Assert.assertFalse;
import static org.junit.Assert.assertTrue;
import static org.mockito.internal.invocation.MatcherApplicationStrategy.getMatcherApplicationStrategyFor;
import static org.mockito.internal.matchers.Any.ANY;
@SuppressWarnings("unchecked")
public class MatcherApplicationStrategyTest extends TestBase {
@Mock
IMethods mock;
private Invocation invocation;
private List matchers;
private RecordingAction recordAction;
@Before
public void before() {
recordAction = new RecordingAction();
}
@Test
public void shouldKnowWhenActualArgsSizeIsDifferent1() {
// given
invocation = varargs("1");
matchers = asList(new Equals("1"));
// when
boolean match = getMatcherApplicationStrategyFor(invocation, matchers).forEachMatcherAndArgument(RETURN_ALWAYS_FALSE);
// then
assertFalse(match);
}
@Test
public void shouldKnowWhenActualArgsSizeIsDifferent2() {
// given
invocation = varargs("1");
matchers = asList(new Equals("1"));
// when
boolean match = getMatcherApplicationStrategyFor(invocation, matchers).forEachMatcherAndArgument(RETURN_ALWAYS_TRUE);
// then
assertTrue(match);
}
@Test
@Ignore
public void shouldKnowWhenActualArgsSizeIsDifferent() {
// given
invocation = varargs("1", "2");
matchers = asList(new Equals("1"));
// when
boolean match = getMatcherApplicationStrategyFor(invocation, matchers).forEachMatcherAndArgument(RETURN_ALWAYS_TRUE);
// then
assertFalse(match);
}
@Test
public void shouldKnowWhenMatchersSizeIsDifferent() {
// given
invocation = varargs("1");
matchers = asList(new Equals("1"), new Equals("2"));
// when
boolean match = getMatcherApplicationStrategyFor(invocation, matchers).forEachMatcherAndArgument(RETURN_ALWAYS_TRUE);
// then
assertFalse(match);
}
@Test
public void shouldKnowWhenVarargsMatch() {
// given
invocation = varargs("1", "2", "3");
matchers = asList(new Equals("1"), Any.ANY, new InstanceOf(String.class));
// when
boolean match = getMatcherApplicationStrategyFor(invocation, matchers).forEachMatcherAndArgument(recordAction);
// then
assertTrue(match);
}
@Test
public void shouldAllowAnyVarargMatchEntireVararg() {
// given
invocation = varargs("1", "2");
matchers = asList(ANY);
// when
boolean match = getMatcherApplicationStrategyFor(invocation, matchers).forEachMatcherAndArgument(recordAction);
// then
assertTrue(match);
}
@Test
public void shouldNotAllowAnyObjectWithMixedVarargs() {
// given
invocation = mixedVarargs(1, "1", "2");
matchers = asList(new Equals(1));
// when
boolean match = getMatcherApplicationStrategyFor(invocation, matchers).forEachMatcherAndArgument(recordAction);
// then
assertFalse(match);
}
@Test
public void shouldAllowAnyObjectWithMixedVarargs() {
// given
invocation = mixedVarargs(1, "1", "2");
matchers = asList(new Equals(1), ANY);
// when
boolean match = getMatcherApplicationStrategyFor(invocation, matchers).forEachMatcherAndArgument(recordAction);
// then
assertTrue(match);
}
@Test
public void shouldAnyObjectVarargDealWithDifferentSizeOfArgs() {
// given
invocation = mixedVarargs(1, "1", "2");
matchers = asList(new Equals(1));
// when
boolean match = getMatcherApplicationStrategyFor(invocation, matchers).forEachMatcherAndArgument(recordAction);
// then
assertFalse(match);
recordAction.assertIsEmpty();
}
@Test
public void shouldMatchAnyVarargEvenIfOneOfTheArgsIsNull() {
// given
invocation = mixedVarargs(null, null, "2");
matchers = asList(new Equals(null), ANY);
// when
getMatcherApplicationStrategyFor(invocation, matchers).forEachMatcherAndArgument(recordAction);
// then
recordAction.assertContainsExactly(new Equals(null), ANY, ANY);
}
@Test
public void shouldMatchAnyVarargEvenIfMatcherIsDecorated() {
// given
invocation = varargs("1", "2");
matchers = asList(ANY);
// when
getMatcherApplicationStrategyFor(invocation, matchers).forEachMatcherAndArgument(recordAction);
// then
recordAction.assertContainsExactly(ANY, ANY);
}
private Invocation mixedVarargs(Object a, String... s) {
mock.mixedVarargs(a, s);
return getLastInvocation();
}
private Invocation varargs(String... s) {
mock.varargs(s);
return getLastInvocation();
}
private class RecordingAction implements ArgumentMatcherAction {
private List<ArgumentMatcher<?>> matchers = new ArrayList<ArgumentMatcher<?>>();
@Override
public boolean apply(ArgumentMatcher<?> matcher, Object argument) {
matchers.add(matcher);
return true;
}
public void assertIsEmpty() {
assertThat(matchers).isEmpty();
}
public void assertContainsExactly(ArgumentMatcher<?>... matchers) {
assertThat(this.matchers).containsExactly(matchers);
}
}
private static final ArgumentMatcherAction RETURN_ALWAYS_TRUE = new ArgumentMatcherAction() {
@Override
public boolean apply(ArgumentMatcher<?> matcher, Object argument) {
return true;
}
};
private static final ArgumentMatcherAction RETURN_ALWAYS_FALSE = new ArgumentMatcherAction() {
@Override
public boolean apply(ArgumentMatcher<?> matcher, Object argument) {
return false;
}
};
}